Fibre to Fabric

Draw a schematic diagram of a single optical fibre structure. Explain briefly how an optical fibre is fabricated. Describe in brief, the mechanism of propagation of light signal through an optical fibre.

The substances applied to fabrics before dying them is called :

The substances applied to fabrics before dying them is called:

Weaving of yarn makes a piece of fabric.

The compound used to fix a dye to the fabric is known as:

Which of the following type of compound is mixed with detergent powder to provide brightness to fabrics?

What is a solar cell ? Why is silicon used to fabricate solar cells ?

In a fabric cotton and synthetic fibres are in the ratio of 2:3. What is the percentage of cotton fibre in the fabric?

In a fabric,cotton and synthetic fibres are in the ratio of 2:3. what is the percentage of cotton fibre in the fabric?